Text-to-Speech

500 Errors for Conversation Update
October 02, 2:29pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Oct-2, 2:29pm
Our engineers have identified the issue regarding conversation updates. Customer may experincine issues when updating and deleting conversation and creating messages.
 
Oct-2, 2:44pm
We are continuing to investigate this issue.
 
Oct-2, 3:27pm
Updates in Conversations are now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

A2P Campaign Registration Delays
October 01, 2:38pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Oct-1, 2:38pm
Our monitoring systems have detected a potential issue with A2P campaign submissions. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
 
Oct-1, 3:08pm
We have identified an issue with A2P campaign creation which may cause delays for customers. Our engineers are working on a fix to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
 
Oct-1, 4:53pm
We are still investigating A2P campaign creation which may cause delays for customers. Our engineers are working on a fix to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.
 
Oct-1, 7:06pm
A2P campaign creation is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

Automated Alert: No Customer Impact
September 28, 3:50pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Sep-28, 3:50pm
Our monitoring systems have detected a potential issue with Flex. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

Emergency Medallia maintenance
September 27, 1:02pm
app.zingle.me app-1.zingle.sea1.medallia.com app-4.zingle.sea1.medallia.com Mobile Apps 3rd Party Providers Web Inbox iOS App Web Inbox Web Inbox Twilio SMS Messaging Android App SMS Messaging SMS Messaging Bandwidth Zings Zings Zings Intercom Analytics Outbound Emails Analytics Analytics API API API Hospitality Integration System Hospitality Integration System Hospitality Integration System Intercom Web Messenger SMS Messaging (SMPP) Intercom Mobile Messenger SMS Long Code, North America MMS Messaging (MM4) Intercom Intercom Web Application MMS Long Code, North America Toll-Free SMS - Inbound SMS Short Code, North America Toll-Free SMS - Outbound MMS Short Code, North America Messaging Services SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML REST APIs - HTTP SMS Messaging REST APIs - HTTP MMS Messaging Toll Free MMS - Outbound Toll Free MMS - Inbound
 
Sep-27, 1:02pm

In order to maintain our service and quality levels, we would like to inform you that we are performing essential maintenance on the platform. Please circulate these details to all relevant stakeholders within your business.


Access to all Medallia services, including Medallia’s survey mechanisms, may be impacted during this time.


Please contact Medallia Support via https://help.medallia.com if you have any questions or concerns related to this.


Regards,

Medallia Support

 
Sep-27, 10:16pm

Over the weekend, Medallia received notification about a series of security concerns from Citrix, a well-established vendor used by Medallia for network load balancing.  As a precautionary measure to protect our systems and client data, Medallia reacted immediately to temporarily restrict access to affected environments at approximately 10:30 am PT while deploying the necessary updates. Medallia restored service to data centers on a rolling basis over the following hours.

Based on our investigation and monitoring to date, we have identified no evidence that client data was accessed or compromised as a result of these vulnerabilities. Medallia continues to monitor its environments and evaluate relevant guidance from Citrix as it becomes available.

Services in your environment have now been restored. As a result of the interruption, your IT teams may need to restart or retrigger  integrations or data transfers with Medallia.  Please open a ticket with Medallia Support at help.medallia.com if you have any questions or concerns.

For further details about the Citrix notification, please see https://www.cisa.gov/news-events/alerts/2026/09/27/critical-zero-day-vulnerabilities-exploited-citrix-netscaler-adc-gateway.

We appreciate your patience and understanding, and apologize for the disruption this may have caused to your organization.

Regards,

Medallia Support

Phone Number APIs and Console Were Returning Incorrect 404 Responses
September 22, 2:20pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Sep-22, 2:20pm
Due to an incorrect configuration, customers experienced a burst of invalid 404 Not Found response when communication with Phone Number APIs: AvailablePhoneNumbers and IncomingPhoneNumbers. They might have also experienced degraded  Console behavior relating to Phone Number operations.

Automated Alert: No Customer Impact
August 31, 3:10pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Aug-31, 3:10pm
Our monitoring systems have detected a potential issue. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

On Call Engineers are Investigating
August 03, 6:02pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Aug-3, 6:02pm
Our monitoring systems have detected a potential issue with AI Terms page presented when using Twilio Conversations, even after accepted it previously. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

Degraded Invocations in US1 Region
July 30, 6:02am
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Jul-30, 6:02am
Twilio Invocations was degraded for 14 minutes between 02:14 and 02:28 Pacific Time on 07/30/2026. During this period of time, customers may have experienced failing invocations in the US1 region. The issue has now been resolved.

On Call Engineers are Investigating
July 29, 4:55pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Jul-29, 4:55pm
Our monitoring systems have detected a potential issue with Studio Timers failing to schedule causing workflow failure. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
 
Jul-29, 5:27pm
We are investigating a small number of Send & Wait for Reply widgets in studio are failing to take the no reply transition, also a small number of add Twiml redirect widgets in studio are failing to take the timeout transition.. We expect to provide another update in 1 hour or as soon as more information becomes available

On Call Engineers are Investigating
July 28, 12:32pm
3rd Party Providers Twilio SMS Long Code, North America MMS Long Code, North America SMS Short Code, North America MMS Short Code, North America SMS Toll-Free, North America MMS Toll-Free Text-to-Speech TwiML
 
Jul-28, 12:32pm
Our monitoring systems have detected a potential issue with transcription. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
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